CN1646743A - Spinning preparation machine with microwave sensors - Google Patents
Spinning preparation machine with microwave sensors Download PDFInfo
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- CN1646743A CN1646743A CNA038077280A CN03807728A CN1646743A CN 1646743 A CN1646743 A CN 1646743A CN A038077280 A CNA038077280 A CN A038077280A CN 03807728 A CN03807728 A CN 03807728A CN 1646743 A CN1646743 A CN 1646743A
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- 238000012937 correction Methods 0.000 claims description 8
- 239000002657 fibrous material Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000003490 calendering Methods 0.000 claims description 5
- 229920000297 Rayon Polymers 0.000 claims description 4
- 229920006240 drawn fiber Polymers 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 4
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Images
Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/32—Regulating or varying draft
- D01H5/38—Regulating or varying draft in response to irregularities in material ; Measuring irregularities
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
- G01B15/02—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/36—Textiles
- G01N33/362—Material before processing, e.g. bulk cotton or wool
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Electromagnetism (AREA)
- Textile Engineering (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Mechanical Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Various improvements to a spinning preparation machine for measurement of the fibre web thickness or fibre web cross-section of at least one fibre web (3) by means of one or several microwave sensors (3, 30) are disclosed. An improvement is characterised by compressing means (18, 19; 28, 64a, 64b, 65; 70; 52) and particularly mechanical guide elements, which can be arranged before, after and/or in the microwave sensor (3, 30). Arrangement of a transport roller pair after a microwave sensor (3) for example, is also disclosed which can particularly be embodied as a feed roller pair (20) for the subsequent drafting work. Suggestions for calibration of the at least one microwave sensor (3, 30) are also made.
Description
Technical field
The present invention relates to a kind of spinning preparation machine and a kind of calibration steps that is used for spinning preparation machine.
Background technology
In spinning process, in several operations, for example produce the slivers of initial homogenization and the yarn that the twist is arranged of end product by cotton.The spinning preparation machine of yarn production upstream, for example, carding machine, carding apparatus and drawing frame specific work be the evenness quality fluctuation of evenly one or several slivers.For this purpose, the sliver sensor for example is installed on the drawing frame, the thickness of these sensor slivers or sliver quality or their fluctuation, and these information are sent to an evereven, and evereven is regulated a drafting unit of necessary drawing frame at least.A kind of drawing frame according to the work of this adjusting principle can be, as the RSB-D 30 of RIETER company.Even this drawing frame is not installed evereven, under any circumstance all be desired acquisition about the information of sliver thickness fluctuation.If do not met or exceeded the critical value of sliver quality or sliver thickness, an appropriate sensors of this drawing frame output place will be sent as suitable switching signal that is used for drawing frame and/or caution signal.
In order to measure the fluctuation of sliver thickness, mechanical detection means is known, and these mechanical detection means are applied on such nearly all device at present.Yet the power of these mechanical pick-up devices no longer can satisfy the output speed of 1000m/min and the section of high request.In addition, necessary big mechanical pressure has a negative effect for the drawing-off ability before mechanical pick-up device.
Except the mechanical detection of sliver thickness fluctuation, other detection methods are proposed also.US2 for example, 942,303 and DE4445720A1 in sliver thickness is disclosed can be contactlessly measured by infiltration optical radiation method.Yet the accuracy of this measuring method is affected by environment easily, for example temperature, humidity and pollution.Say that further this method is easy to be subjected to the influence of color and slivers reflection characteristic.
Other known, non-contacting measuring method ultrasonic waves are employed.Electric capacity or gas flow measurement method also are known.What also be suggested application is X-ray or gamma-radiation measuring method.Yet these all methods are very sensitive to humidity usually.Therefore it is unfavorable for remedying weather usually, and for example influence of temperature, relative air humidity is so that make the climatic influences minimum.Therefore, the intrinsic problem of fiber hygroscopicity can not be eliminated easily.In addition, under fixing environmental condition, can bring up to 5% in the fiber hygroscopicity of a collection of with identical a collection of cotton.In addition, at the cotton at the middle and upper levels washiness that in spinning preparation machine, absorbs of a bar tube than the lower floor cotton.Say further, the hygroscopicity of textile fabric sliver according to the variation of the weather in the cotton mill change-for example early, middle and late.Thereby above-mentioned influence applies very big influence and influences quality for successively the measurement result of sliver thickness.On the whole, these methods are difficult to the measurement of the high precision of adaptation slivers thickness.
A kind of new relatively sliver method for measuring thickness is based on the application of microwave.WO00/12974 has described a kind of measuring system of applied microwave, and according to this system, microwave and an acoustic resonator connect together, and one or several slivers is transmitted by acoustic resonator.According to the appearance of slivers and sliver, attenuate and the change frequency sympathetic response and measured, the possible moisture content of the fluctuation of thickness and slivers or sliver obtains from measured value.EP0468023B1 discloses a kind of similar method for microwave measurement, the measurement of its slivers of can migrating.This sensor based on meagre sympathetic response technology especially has has considered environmental condition, and for example the advantage of room temperature and humidity so that they do not need the advantage of further being proofreaied and correct.
Yet, described in the above-mentioned publication and shown in sensor and corresponding measuring method still be jejune aspect a lot of and need to improve.The specific adaptability of slivers problems of measurement especially needs new scheme.
Summary of the invention
The objective of the invention is to utilize microwave to improve the precision of measuring slivers or fibre structure.
This purpose is by according to independent claims 1,9,11,15,18,23,26,30,32 and 33 described spinning preparation machine and claims 41, and 42 described methods realize.
According to a first aspect of the invention, for the accurate measurement of the slivers thickness of want conpressed fibers sliver material, so that the distribution of material in the measuring slit of at least one microwave remote sensor of being installed is even as much as possible.Compression set is preferably with the design of the form of mechanical guiding element, for example with the form of the pole of the circular surface that can slide against slivers, perhaps with a kind of opening or seal bell-mouthed form.In order to realize this compression, therefore preferred two kinds of versions, preferably are provided with or adjust the degree of compression according to the sliver quality of introducing.
In a version, compression set is designed, so that compression set is directly installed on before the sensor and/or afterwards.Described sensor can be installed on the compression set or vice versa.
Can select be or in version, preferably at least one induction element of making (for example ceramic fibre) by a kind of non-conductive material can be installed in the sensor.Preferred straight and be wedge or arc form also is fine.
If it is useful that the compression of the index of slivers has caused the automated cleaning effect in measuring slit or sympathetic response space.
When material is introduced in the measuring slit, must guarantee that slivers does not intermesh.For this purpose, rake can be installed in before the sensor and/or afterwards.
In a preferred embodiment of the present invention, a horn mouth is assembled in (at least one) sensor before with compression or guiding slivers.And then (at least one) sensor assembles one or several rake and laterally intermeshes to prevent slivers.
According to a second aspect of the invention, the whole width of a pair of extension slivers draws the back that roller is directly installed on the microwave remote sensor of aforementioned drawing frame.Therefore the radial axle of roller with the rectangular direction of the slivers direction of motion on extend.And then slivers is drawn from sensor under the compressed situation not having basically on their widths.
Especially preferably import the right a pair of roller of drawing of roller in the sensor back as drawing frame in succession.Like this, this is to drawing two functions that roller has traction (at least one) slivers and participates in drawing-off.
Another aspect of the present invention, its emphasis are the cleaning sensors.About staining of microwave acoustic resonator, a kind of difference is made between two kinds of pollutions.On the one hand, they are staining of being eliminated easily, and for example the fiber flyings are a kind of difficult pollution of removing, for example honeydew and viscose rayon on the other hand.These two kinds of pollutions have caused the change of acoustic resonator characteristic value, so according to the cleaner that the present invention proposes acoustic resonator.
The removing of dirt can regularly be done, for example preferably when machine down.Can remove or the cleaning device that matches of permanent dirt can be activated by appropriate control from the smooth removing of microwave acoustic resonator, and/or when the limiting value of predesignating, for example, when being exceeded corresponding to the acoustic resonator characteristic value in the acoustic resonator dummy status, or when dirt or the thickness that pollutes oil stain are exceeded, send need cleaning can signal.Cleaning can be artificial or finish by a kind of cleaning device, thereby artificial cleaning may be indispensable under the situation that is difficult to remove at some pollutants.
The dirt that religion is easily removed is preferably removed by compressed air, so one or several air nozzle is directly installed on the measuring slit of acoustic resonator.
Control device preferably can make machine down under the situation that the very difficult removing of dirt maybe can not be removed.Yet, reason owing to productivity ratio, easy-clear dirt and the anti-cleaning that takes out stains during the bar tube is changed in the drawing frame outlet or feeding bar tube be done between the stage of replacement because machine can not be produced any slivers (under the situation except so-called flyings exchange) usually in these times.Described control device can merge in the central machine computer.
For clean operation, microwave remote sensor is designed preferred convenient elongation, for example can be moved by motor on the sensor and rotary track, thereby the position of slivers material preferably remains unchanged and is fixed on this position by the grip device that matches.Preferably by expecting in the compressed air or the acoustic resonator of being prudent in dealing with, pottery for example, the mechanical cleaning device clean described sensor.On a fixed sensing, dirt must manually or by compressed air, mechanical cleaning device etc. automatically be removed from measuring slit.With after cleaning as compressed air, whether still adhere to regardless of dirt, an electronics identification device can be preferred for for example differentiating the dummy status (quality) of acoustic resonator characteristic value, therefore must consideration resist the limiting value of removing material.
The control device that is used for controlling sensors clean can be integrated into central machine computer.
In order to reduce the degree of staining of acoustic resonator, the preferred structure detected the space so that reduce or even prevent the adhesion of impurity.A kind of possible structure preferably the inner surface of sensor with form and wear-resistant material of dirt-repulsion and/or do not have slightly pointed edge, especially in output and the input point of slivers to sensor.
A microwave remote sensor can be arranged on the input of spinning preparation machine with different forms.Being directly installed on drawing frame on the one hand is possible before.In this case, paired input roller can be installed in after the sensor, and can be with the input roller of drawing frame to being used to transmit by the measuring slit of sensor the form design (as above-mentioned) of material.Sensor and input roller between spacing be useful less than the length of middle fiber so that in transport process, can prevent the motion of floating fiber.
In a selectable or additional embodiment, a microwave remote sensor can be installed in the first drawing-off zone of drawing frame, first drawing-off by input roller and middle roller to forming, and/or the main drawing area of drawing frame by middle roller and delivery roller to constituting.
In order to locate a microwave remote sensor in the several possible positions of output place of spinning preparation machine.For example, the pile nozzle in drawing frame downstream and more the installation between the calendering roller in downstream be possible.
Sensor is useful with the design of pile nozzle insert form equally, so sensor has the function of sliver.By such design, sensor can be with a kind of form of sealing, and for example, cross section is cylindrical.Certainly other geometry also is fine, and for example, Cross-section Design is ellipse or rectangle.It is useful drawing that yarn device and pile nozzle insert be integrally combined, for example, and with the form of air nozzle.Alternatively, the pile nozzle can with the microwave remote sensor integrator.
In another preferred embodiment, right back of delivery roller that microwave remote sensor is located immediately at drafting system.Like this, sensor can be open, for example, and with the slit of rake shape.Afterwards, the shape of sliver can change by the pile nozzle in downstream.
Microwave remote sensor can be arranged between paired the calendering roller and swivel plate.
The spinning preparation machine preferred fit is drawn the yarn device, so as when new a collection of sliver to be processed or the sliver fracture automatically guide slivers to arrive in (at least one) sensor when being repaired.Drawing the yarn device and can comprise one or several air nozzle like this is so that the air flow that slivers is produced control and being incorporated in the sensor.Selectable or additional is to draw the yarn device and also can have mechanical function, for example by clamping and move or guiding slivers in the measuring slit of acoustic resonator.
In addition, draw the grip device that the yarn device can comprise machinery, for example clip can be held in the position of a qualification after the extension of sensor from the measuring position to the cleaning position in (as above-mentioned) during the cleaning device by the clip slivers.In this way, material can not have manually and is introduced in intrusively in the measuring slit of the sensor that turns back to the measuring position.
According to an aspect of the present invention, can recognize that fibrous material presents different transformation temperatures in input and output place of drawing frame, the result that these can lead to errors.The device of a continuous measurement temperature of spinning preparation machine assembling that therefore proposes according to the present invention, so that determine the temperature that weaving is measured, at least one temperature sensor of preferred fit (comprising beginning/stop phase place and especially comprise cold start-up) like this can correcting measured results.According to a useful embodiment of the present invention, this can realize by the electronic measurement system of microwave remote sensor or by outside correction.In this way, the output of measurement result and the cross reference of input can be established, and therefore all speed different with the input of the output between preferred two sensors and being taken into account running time are for example in the central computer of machine.According to the difference of material temperature between output place and the input, should make a correction (right value is set).
When the sensor based on microwave remote sensor is employed, the electric conductivity of delustring element and in most of the cases be nonsensical with the pigment in the drafted or drafted cotton.For conductive material, for example carbon fiber can use identical microwave remote sensor.In addition, also can use second sensor that is preferably based on different physical properties.
If at least two acoustic resonator are connected to measuring position-output just in succession or the input-they preferably are built into an overanxious band.
According to a further aspect in the invention, assemble at least one microwave remote sensor by slivers thickness with the measurement input, with at least one microwave remote sensor of assembling by to measure the slivers thickness of output place, therefore leave machine slivers sliver thickness desired value can, for example preset on the machine display.Described machine is designed, so that pass through a discriminating element by the sensor of at least one input and the measured actual sliver thickness of sensor of at least one output place, central machine computer for example, and merge in the central office, can make it that interrelated and this result can be sent to a control device so that start drafting unit corresponding to the sliver thickness targets value that presets.This discriminating element is preferred for setting up by input (at least one) sensor with by the cross reference between the measured actual sliver thickness of output place (at least one) sensor.Rational control subsequently is useful.
In order to proofread and correct (at least one) microwave remote sensor, the preferred calibration curve that uses different materials, so these curves can be stored in the electronic measuring device and/or these curves can extract from the electronic media of outside when needed, for example, by internet, CD extracts.
For dissimilar fibrous materials, for example, cotton, terylene, viscose glue, acrylic fibers etc. are preferably set up at least one calibration curve.A plurality of calibration curves also can be adopted easily, as curves such as crimpness, moisture absorption capacity, preliminary treatment level, dustinesss.
When fibre blend was related to, for example, fibre bundle or sliver mixture must be determined new calibration curve composite rate according to composite rate.Based on the composite rate of input, these curves can be calculated or determine to be stored in then from corresponding correcting single curve, for example in the electron storage device.For these mathematical methods, especially can use for example calculating formula, interpolation method or regression equation.Selectively or additional be that these data of composite rate are stored in the electron storage device or based on above-mentioned calculating and are written in the such holder.In this way, the database that different mixtures mixes is useful for the operator, and the operator can choose the data that are suitable for current drafted sliver in batch.
In order to import composite rate, spinning preparation machine advantageously is equipped with input unit and treating apparatus of an appropriate design, to determine calibration curve based on the composite rate of input.
There is the textile fabric sliver of formation of the reeled yarn of definite moisture to be preferably used as correction.The sample of this condition is available, and wherein the moisture of fiber is accurately known.Selectively be that all fibers are stored under same environmental condition.Here, the part fibrous material is used for proofreading and correct.Also can merge these two kinds of methods.
Selectively be that the material of the drawing-off of wanting is weighed with the length of regulation under normal working condition, is dried under identical conditions then and is weighed once more.By recently determining moisture mutually with fiber thickness.The thickness of fiber and calculating gained moisture are imported into the processor of identification device then.It also is possible handling fiber quality and not handling fiber thickness.Calibration curve is determined according to the sliver thickness and the attached characteristic value of acoustic resonator of weighing, for example, and frequency change A and moisture M.In this case, general zeroaxial substantial linear function " frequency change against sliver thickness prolong " is measured and be associated with the fiber moisture content of being calculated by poidometer by microwave remote sensor under normal working condition.Advantageously, at least one second measurement point with same material of different moisture content is determined.Thereby different moisture can be determined in the process of producing.
In continuous correction, the microwave output transducer based on experiment measuring by post-equalization (post-calibrate), in experiment measuring, as the actual sliver thickness (and/or sliver moisture) of drawing-off sliver measured (reasonably control).Based on this post-equalization, just based on the current feature linearity of output transducer, when considering different slivers at the temperature of input and output place and other influence condition, for example pollution of sensor, the microwave input pickup can be by post-equalization advantageously.This is favourable, for example, and when the slivers material of input and output has the different temperatures that influences measurement result.Described post-equalization is preferably automatically realized by a microprocessor.
For microwave remote sensor is proofreaied and correct apace, the textile sample of determining in the polymer composition is preferably with known quality ejection.Selectively be, the output polymer of relevant fibrous material (long filament) is employed, for example, and the melt viscose quality.This sample preferably has different, known moisture.
Have with the relative permitivity sample much at one of slivers material to be processed be used for the correction of microwave remote sensor (at least one).
Preferred a kind of single electronics identification system is used for all acoustic resonator of input and output place of drawing frame.
Different aspect of the present invention can with carding machine, drawing frame and carding mechanism, the drawing frame of autoleveller and the drawing frame of non-autoleveller use together.The application in the combing in carding machine of the present invention and drawing frame downstream also is useful.
The favourable further advantage of the present invention is by the characteristic present of dependent claims.
Description of drawings
To describe different aspect of the present invention by accompanying drawing below.
Fig. 1 is the schematic diagram with autoleveller draw frame of autoleveller element;
Fig. 2 is the microwave remote sensor of an opening in the perspective view;
Fig. 3 is the top view that the drawing frame input of sealing microwave remote sensor is arranged;
Fig. 4 is the side view of Fig. 3 drawing frame input;
Fig. 5 is the top view corresponding to the drawing frame input that the sealing microwave remote sensor is arranged of one second embodiment.
Fig. 6 is the side view of Fig. 5 embodiment.
The specific embodiment
Fig. 1 is the schematic diagram of the autoleveller principle of drawing frame 1.The sliver thickness of the slivers of importing in the input of drawing frame 1 2-have six roots of sensation slivers 2-determined by a microwave remote sensor 3 in this embodiment according to the function of acoustic resonator principle.Microwave remote sensor 3 links to each other with microwave generator 16, and microwave generator is started by a treatment element (not shown) and microwave is incorporated in the acoustic resonator of microwave remote sensor 3.Horn mouth 18 as compressing member is installed in the upstream of microwave remote sensor with conpressed fibers sliver 2.When sliver process microwave remote sensor 3, slivers 2 is launched again so that be input to drawing frame 1a.The measured value of microwave remote sensor 3 converts the voltage value of expression slivers thickness fluctuation to by a discriminating element 4, and these voltage values are sent to (signal of telecommunication is represented by a kind of pair of lightning arrow, and mechanical signal does not provide any special mark) in the holder 5 in Fig. 1.Holder 5 sends the voltage determination value to desired value phase place 7 by an impulse generator or clock pulse generator 6 in the lag time of regulation.Clock pulse generator 6 is received an activation signal (so-called " the constant length of determining of browsing ") from the input roller to 20, and the input roller is used for transmitting slivers 2 by microwave remote sensor 3 at one time to 20.Selectively be, it is right that impulse generator can be connected to other roller, for example directly the transmission roller after microwave remote sensor 3 to (not shown) on (as the sliver travel direction).In this case, be not transmit slivers 2 by microwave remote sensor 3 the input roller to 20, but it is right to transmit roller
Desired value phase place 7 is also received a guiding voltage from conduction rotating speed device 9, and conduction rotating speed device 9 is used to measure the delivery roller that driven by main motor 8 rotary speed to 22 low roller.Subsequently, target voltage is calculated and is transferred to a control module 10 in desired value phase place 7.In control module 10, between desired value and actual value do one relatively and this relatively be used for specific rotary speed is sent to variable speed electric motors, particularly 11 corresponding to the required variation of drawing-off.In this process, the desired value of variable speed electric motors, particularly 11 is sent to a rotating speed device 12 that actual value is arranged, and then, rotating speed device 12 sends corresponding actual voltage value to control element 10 again.Variable speed electric motors, particularly 11 drives a planetary gear 13 that is driven by main motor 8, thus planetary gear 13 change the input rollers to the rotary speed of 20 low roller and low roller to the rotary speed of 21 low roller 21 so that finish the drawing-off or the homogenising of sliver.
Sliver thickness is as corrected value.Motion calculation according to the slivers from microwave remote sensor 3 to the draw zone of 20,21,22 (roller is to shown in top views) being made of input, middle roller and delivery roller goes out dead time.The size of the toggle speed of the rotary speed of variable speed electric motors, particularly 11 is determined by control element 10, so the actual (real) thickness of slivers 2, and is processed as the rotary speed of the desired value of the sliver of guiding value and main motor 8 and variable speed electric motors, particularly 11.Since the stack ratio of the rotary speed of main motor 8 and variable speed electric motors, particularly 11, and consider described dead time, and the so-called correct application point of sliver thickness in drafting system 1a is corrected.
In output place of drafting system 1a one acoustic resonator that is connected to the microwave remote sensor 30 of an additional microwave generator 17 is installed, and it is connected to the sliver horn mouth shown in the example of embodiment or the downstream of pile nozzle 19.The signal of microwave remote sensor 30 is transmitted to an identification device 31, and this identification device sends corresponding to the voltage signal of the sliver thickness of drawn fiber sliver and voltage signal and sends control element 10 to.Selectively or additionally be that the result of microwave remote sensor 30 only is used to monitor sliver and control sliver quality.Therefore, these results preferably are presented on the machine of cotton mill and/or on the central member.
Different circuit settings also is possible, particularly the application of central computer.
According to a device 40 or 41 is arranged, it is preferred for the temperature (and then corresponding sensor 3 or 30 in Fig. 1) of continuous measurement slivers in output place of the input of drafting system and drafting system.The measured temperature value or the voltage value that characterize temperature are transmitted to corresponding discriminating element 4 or 31, and the function of discriminating element is used for the measurement temperature that correcting sensor 3 or 30 provides here in addition.Identification device 4 or 31 result can for example, be passed through lateral ties by interrelated.Such contact can be effectively, and for example, it must finish calculating for the purpose of getting in touch in control device 10.Selectively be, for Tc, if necessary, also for from installing 40 or 41 and the correlation of the signal that comes can be installed treating apparatus or a common treating apparatus of separation.
Two sensors 3,30 preferably can automatically be cleaned.For example, the compressed air by one or several nozzle ejection on the measurement mechanism slit that is directly installed on corresponding sensor 3,30 cleans.Preferably in the in good time time period and/or when the limiting value of the acoustic resonator characteristic value of acoustic resonator quality, be exceeded and/or when the preset thickness of dirt or stain film was exceeded, control corresponding device (not shown) triggered cleaner.Such nozzle also can be used as and draws the yarn device and be used for automatically guiding slivers measured at (at least one) sensor 3 or 30.
In a unshowned alternate embodiments of the present invention, spinning preparation machine can assemble single drive unit, and each preferably has the control circuit of loom, thereby a central controller is used easily.
Fig. 2 shows a microwave remote sensor 3,30 that comprises the opening of the acoustic resonator 50 that bends to U-shaped, and wherein open is that measuring slit 51 can transmit one or a few slivers by it, and signal is pointed out as arrow.In measuring slit, in each side of slivers 2, a pole pole 52 is assembled, and therefore two pole poles are simultaneously as the compression induction element.Pole pole 52 is arranged on the guiding of pointing out with slivers 2 rectangular signals place 53 (shown in double-head arrow), and preferably is fixed on their position.For slivers 2 being directed between two poles 52 of measuring slit 51 neutralizations, assemble one or several air nozzle 54, and it is directed (moving towards the observer as Fig. 2 sliver) and drives slivers by compressed air moving (as shown by arrows) basically on the direction that sliver moves.In addition, double-head arrow f1 refers to that all sensors 3,30 can move to cleaning position and turn back to the measuring position from the measuring position.
Fig. 3-6 further shows the embodiment at the microwave remote sensor 3 of drafting system input.Can see a tablet 15 in top view 2, it is equipped with a rake device 24 towards the end of bar tube (not shown).This rake device 24 comprises the pole of nine perpendicular positionings, and between pole, eight slivers 2 are retracted to microwave remote sensor 3 (when slivers 2 moves among Fig. 4 by shown in the point) from the bar tube under cover plate.After rake device 24 is two parallel conveying rollers 25, is four guide wheels or the roller of installing each other in linearity 26 that pressurizes in the above.Two operations between each deflector roll roller 26 and the conveying roller 25 below it in eight slivers.Just in case the sliver fracture form an electrical connection between described deflector roll roller 26 and conveying roller 25, and described fracture is shown in the identifiable mode of operator.
The pole 27 of a horizontal location can be stable or rotatable, and slivers 2 is transmitted along the direction that slivers moves on it.Advance in addition, the vertical double-head arrow among Fig. 4 is represented cylinder 27, and it preferably can be by vertical adjustment.After pole 27 is the induction element 28 of two vertical annular cross sections, and slivers 2 moves between induction element.Spacing between two induction elements 28 is preferably adjustable, shown in the corresponding double-head arrow among Fig. 3.
What follow induction element 28 closely in the sliver moving direction is horizontally extending second pole 29, and it also can be supported so that it stable or rotation, and slivers 2 is transmitted in its lower section.As shown in Figure 4, pole 29 that can vertically adjust (as double-head arrow) is used for slivers 2 is directed to the acoustic resonator 60 of microwave remote sensor 3.The vertical induction element 64a of two other cylindrical cross-section is installed between pole 29 and the microwave remote sensor 3.These are connected to along the sliver direction of motion horizontally extending flat excellent 62 on the top, it is connected to cover plate 61 successively by being positioned at two bolts on the corresponding elongated hole 63.Sliver outlet side at sensor 3 has the induction element 64 that connects in the same way.Induction element 64a, the spacing between the 64b is adjusted by flat excellent 62 in the mobile elongated hole 63.
Input and output place at sensor 3, the connecting line 66 of sensor 3 (being connected to a microwave generator and signal receiver) is shown in Figure 3, and the horizontally extending circular edges 65 of extending along the width of slivers is as additional induction element (shown in Fig. 4 dotted line).Like this, these induction elements 65 are arranged in sensor 3 and are used for stably guiding slivers 2 to pass acoustic resonator 60.
From the input roller of sensor 3 draw fibers slivers 2 to 2 downstreams that are installed in induction element 64b.This roller is to being designed input roller as drafting system 1a downstream easily to 20 (as Fig. 1).Compare with mechanical measurement slivers thickness, measurement mechanism conpressed fibers sliver 2 and slivers 2 must be unfolded before entering drafting system 1a, and the space of Zhan Kaiing can be exempted like this.Entire machine can be compacter like this.The input roller draws slivers 2 from sensor 3 on the one hand to 20, on the other hand as drafting unit.Slivers 2 passes sensor basically parallel to each other and continues to extend among the drafting system 1a.
The induction element 28 that is used for the bilateral guiding of slivers 2,64a and 64b can linearly be installed selectively or extraly with on the rectangular direction of sliver adjustablely, and induction element has eccentric cross section to avoid sharp circumferential edges (not shown).In order to change the channel width of slivers 2, induction element 28,64a, 64b can around they the radial axle rotation and can stop in its position.
According to the embodiment shown in Fig. 5 and 6, a horn mouth 70 is assembled in before the sensor 3, is directed flowing to guide wheel and carries roller 26,25 by horn mouth slivers 2.The width of horn mouth 70 can be regulated easily, preferably regulates its input and/or input width.In addition, Fig. 5 is similar with 4 embodiment with Fig. 3 with 6 embodiment.The induction element 64b of sensor 3 outputs place will be mentioned, because the induction element 64a of input is unnecessary owing to horn mouth 70 becomes.Yet if the width of horn mouth 70 is nonadjustable, the existence of induction element 64a is useful.
The input of slivers 2 and the identical reference marker of slivers 2 usefulness that leaves drawing frame 1a in the drawings.Not doing in more detail the slivers 2 of describing-enter into drawing frame 1a leaves drawing frame with the form of pile usually as can be known-therefore from prior art, described pile by pile guiding nozzle separately pile nozzle 19 and by the fiber horn mouth form-and be compressed into a slivers 2, so that it can be stored in the yarning can 37.The bell-mouthed merging of pile nozzle and fiber is possible, shown in Fig. 1 schematic diagram.
Claims (44)
1. spinning preparation machine that autoleveller drafting arrangement (1a) arranged, it has at least one slivers (2) that is used for drawing-off, at least one microwave remote sensor (3,30) measure slivers thickness in the input and/or output place of drafting system (1a), it is characterized in that: conpressed fibers sliver (2) is to obtain at sensor (3, the compression set (18,19 of the slivers material that homogenization distributes 30); 28,64a, 64b, 65; 70; 52).
2. spinning preparation machine as claimed in claim 1 is characterized in that: compression set (18,19; 28,64a, 64b, 65; 70; 52) with mechanical guiding element (18,19; 28,64a, 64b, 65; 70; 52) form design.
3. spinning preparation machine as claimed in claim 2 is characterized in that: at least one induction element (65; 52) be installed in the inside of sensor (3,30).
4. spinning preparation machine as claimed in claim 3 is characterized in that: induction element (65) is designed in slivers side upwardly extending horizontal circular edge (65) and is installed in the input of sensor (3) at least.
5. as claim 3 or 4 described spinning preparation machines, it is characterized in that: (at least one) edge (65; 52) make by non-conductive material (for example pottery).
6. spinning preparation machine as claimed in claim 2 is characterized in that: induction element (18,19; 64a, 64b; 70) be located immediately at (at least one) sensor (3,30) in the direction that sliver moves before and/or afterwards.
7. as arbitrary described spinning preparation machine among the claim 2-6, it is characterized in that: in order to change the channel width of (at least one) slivers (2), induction element (28,64a, 64b, the 52nd, adjustable.
8. the described spinning preparation machine of arbitrary as described above claim, it is characterized in that: device (24) is in order to prevent the staggered of slivers (2), particularly rake (24) is being directed to (at least one) sensor (3,30) during the measuring slit, therefore device (24) is installed in before or after the sensor (3,30).
9. the spinning preparation machine that drafting system (1a) arranged, wherein at least one slivers (2) is uneven, at least one microwave remote sensor (3) is measured drafting system (1a) fiber thickness before, it is characterized in that: and the meet at right angles roller that extends of fiber moving direction is installed in the downstream of sensor (3) to (20).
10. spinning preparation machine as claimed in claim 9 is characterized in that: roller is designed to input roller at the drafting system (1a) in sensor (3) downstream to (20) to (20).
11. the spinning preparation machine of autoleveller drafting arrangement (1a) is arranged, at least one slivers (2) is drafted, at least one has the microwave remote sensor (3 of acoustic resonator (50), 30) in the input of aforementioned means and/or output place of drafting system measure the thickness of slivers, it is characterized in that: when the limit system of acoustic resonator characteristic value is exceeded in the reasonable time section and/or under dummy status and/or when the thickness film that presets of dirt or oil stain is exceeded, device (54) cleaning (at least one) sensor (3,30).
12. spinning preparation machine as claimed in claim 11 is characterized in that: when the limiting value of dirt appointment degree was exceeded, described control device cut off machine.
13., it is characterized in that: when of output place of bar tube at drafting system as claim 11 or 12 described spinning preparation machines; The cleaner of control device effect (at least one) sensor (3,30).
14. as the arbitrary described spinning preparation machine of claim 11-13, it is characterized in that: identification device is used to differentiate the characteristic value under the acoustic resonator dummy status, for the dustiness acoustic resonator (=quality) of determining acoustic resonator (50) at (at least one) sensor (3,30) before and/or afterwards.
15. the spinning preparation machine of autoleveller drafting arrangement (1a) is arranged, at least one slivers (2) is drafted, at least one microwave remote sensor (3) is measured the thickness of slivers, it is characterized in that: directly be positioned at the first draw zone of drafting system (1a) or the main drawing area of drafting system (1a) at drafting system (1a) (at least one) sensor (3) before.
16. spinning preparation machine as claimed in claim 15, it is characterized in that: the input roller of drafting system (1a) to and microwave remote sensor (3) with form setting respect to one another and design, the input roller to transmitting the measuring slit that (at least one) slivers (2) passes microwave remote sensor (3).
17., it is characterized in that as claim 15 or 16 described spinning preparation machines: sensor (3) and input roller between spacing less than the length of the median fiber of the slivers material of want drawing-off.
18. there is the spinning preparation machine of autoleveller drafting arrangement (1a) to be used for drawn fiber sliver (2), therefore drafting system (1a) and assembling at least one pair of import roller to (20) and a pair of delivery roller to (22), one is connected to the pile nozzle (19) in drafting system (1a) downstream and and compress and draws the calendering roller that is connected of drawn fiber sliver (2) to (34), slivers (2) is stored in the bar tube (37) by the sliver passage in the swivel plate (35), it is characterized in that: measure slivers thickness at least one microwave remote sensor (30) of drafting system output place, so this sensor (30) be located immediately at delivery roller to (22) afterwards or pile nozzle (19) and calendering roller between (34) or smooth roll between (34) and the swivel plate (35).
19. spinning preparation machine as claimed in claim 18 is characterized in that: microwave remote sensor (30) is made the form with the pile nozzle insert.
20. spinning preparation machine as claimed in claim 18 is characterized in that: pile nozzle (19) and microwave remote sensor (30) integrator.
21. as the described spinning preparation machine of arbitrary claim among the claim 15-20, it is characterized in that: microwave remote sensor (3,30) has the shape of sealing at cross section.
22. as the described spinning preparation machine of arbitrary claim among the claim 15-20, it is characterized in that: microwave remote sensor (3,30) has open shape at cross section, for example, and a kind of forked slit.
23. the spinning preparation machine of autoleveller drafting arrangement (1a) is arranged, wherein at least one slivers (2) is used to drawing-off, at least one has the microwave remote sensor (3 of acoustic resonator (50), 30) measure fiber thickness in the input of drafting system and/or output place of drafting system, it is characterized in that: draw yarn device (54) with the slivers (2) that will measure automatically be directed to (at least one) sensor (3,30).
24. spinning preparation machine as claimed in claim 23 is characterized in that: air draws yarn device (54) and comprises that air nozzle (54) is used for pneumatically guiding the slivers that will measure.
25. as claim 23 or 24 described spinning preparation machines, it is characterized in that: draw the yarn device and comprise gripping elements, utilize this gripping elements, (at least one) slivers is at (at least one) microwave remote sensor (3,30) after transferring to cleaning position, the measuring position is held in a position that limits, so that described slivers can not be introduced in the measuring slit (51) under having artificial situation about disturbing.
26. the spinning preparation machine of autoleveller drafting arrangement (1a) is arranged, wherein at least one slivers (2) is used to drawing-off, (at least one) microwave remote sensor (3,30) measure slivers thickness in input and output place, it is characterized in that: the drafted slivers of a measurement device (at least one) (2) and/or leave the temperature (40 of the slivers (2) of drafting system (1a), 41), correcting element (4,31; 10) according to the measurement result of temperature correction (at least one) sensor of measuring (3,30).
27. spinning preparation machine as claimed in claim 26 is characterized in that: the temperature of (at least one) slivers (2) can be measured continuously.
28. as claim 26 or 27 described spinning preparation machines, it is characterized in that: correcting element and electronic measurement system or (at least one) microwave remote sensor (3,30) discriminating element (4,31) or microwave remote sensor (3,30) discriminating element (4, the 31) integrator in the external device (ED) (10).
29. the described spinning preparation machine of arbitrary as described above claim is characterized in that: correcting element (4,31; 10) with from (at least one) input pickup (3) and (at least one) output transducer (30) and the measurement result mode design and installation that can be relative to each other by lateral ties.
30. the spinning preparation machine of autoleveller drafting arrangement (1a) is arranged, wherein at least one slivers (2) is used to drawing-off, at least two microwave remote sensors (3,30) measure the thickness of slivers in input and/or output place, wherein (at least two) acoustic resonator (50) at the sensor (3,30) of measuring position is connected as filter bag.
31. the spinning preparation machine of autoleveller drafting arrangement (1a) is arranged, wherein at least one slivers (2) is used to drawing-off, at least one microwave remote sensor (3) is measured slivers thickness and at least one microwave remote sensor (3) and is measured slivers thickness in output place in the input, therefore the target thickness of drafted sliver (2) is scheduled to, it is characterized in that: the actual sliver thickness of measuring in the input at (at least one) sensor (3) and measure in output place at (at least one) sensor (30) is by discriminating element and interrelated, and described result can be transmitted to control element (10) so that adjust drafting unit (20,21) according to predetermined target sliver thickness.
32. spinning preparation machine as claimed in claim 31 is characterized in that: discriminating element can built a crosscorrelation in actual sliver thickness and (at least one) that the sensor (3) of input is measured by (at least one) between the actual sliver thickness that the sensor (30) of output place is measured.
33. the spinning preparation machine of autoleveller drafting arrangement (1a) is arranged, wherein at least one slivers (2) is used to drawing-off, at least one has the microwave remote sensor (3 of acoustic resonator (50), 30) measure fiber thickness in the input of drafting system and/or output place of drafting system, it is characterized in that: the calibration curve according to different fibrous materials and/or different slivers mixtures is proofreaied and correct (at least one) sensor (3,30).
34. spinning preparation machine as claimed in claim 33 is characterized in that: calibration curve can be stored in the electronic measurement system and/or when needs and extract from external agency.
35. as claim 33 or 34 described spinning preparation machines, it is characterized in that: for different fibrous materials, a kind of calibration curve is provided at least and is suitable for each fibrous material, it also can change between different calibration curves.
36. as claim 33 or 35 described spinning preparation machines, it is characterized in that: new calibration curve can be determined according to the predetermined mix rate of slivers mixture.
37. spinning preparation machine as claimed in claim 36 is characterized in that: new calibration curve can be by being spun into, and the interpolation method of at least two calibration curves and/or regression equation are determined.
38., it is characterized in that: preferably can be stored in the electron storage device to determine new calibration curve with data about the form of the calibration curve of different slivers materials as the described spinning preparation machine of the arbitrary claim of claim 33-37.
39., it is characterized in that as the described spinning preparation machine of the arbitrary claim of claim 33-38: input unit be used to import composite rate and as processing unit to determine calibration curve according to the composite rate of coming in and going out.
40. as the described spinning preparation machine of the arbitrary claim of claim 33-39, it is characterized in that: microwave remote sensor (3) carries out post-equalization by a post-equalization microwave remote sensor (30) and drafting system output place by a microprocessor in the drafting system input.
41. correction processing method as the described spinning preparation machine of the arbitrary claim of claim 33-40, it is characterized in that: microwave output transducer (30) carries out post-equalization according to experimental measurements, in experiment measuring, for example, the actual sliver thickness of drafted slivers measured (rationally control), and microwave input pickup (3) according to this post-equalization by artificial or post-equalization automatically.
42. correction processing method as the described spinning preparation machine of the arbitrary claim of claim 33-40, it is characterized in that: the reeled yarn textile fabric sliver by specified moisture content is used to proofread and correct, and perhaps all slivers are stored under the consistent environmental condition and the part slivers is used to proofread and correct.
43. as method as described in the claim 42, it is characterized in that: the weaving correcting sample is injected in the sclerosis sample, for example, the deletion polymer of polymer or corresponding fibrous material, for example, the melt viscose glue is employed.
44., it is characterized in that as claim 42 or 43 described methods: have with the identical as far as possible weaving correcting sample of the relative permitivity of slivers material to be processed be used.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210235312.1A CN103147191B (en) | 2002-04-04 | 2003-04-02 | With the spinning preparation machine of microwave remote sensor |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10214955.0 | 2002-04-04 | ||
| DE10214955.0A DE10214955B9 (en) | 2002-04-04 | 2002-04-04 | Spinning preparation machine |
| PCT/EP2003/003442 WO2003085179A2 (en) | 2002-04-04 | 2003-04-02 | Spinning preparation machine with microwave sensors |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101563532A Division CN101876105B (en) | 2002-04-04 | 2003-04-02 | Spinning preparation machine with microwave sensors |
| CN201210235312.1A Division CN103147191B (en) | 2002-04-04 | 2003-04-02 | With the spinning preparation machine of microwave remote sensor |
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| CN1646743A true CN1646743A (en) | 2005-07-27 |
| CN1646743B CN1646743B (en) | 2010-07-21 |
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| CN2010101563532A Expired - Fee Related CN101876105B (en) | 2002-04-04 | 2003-04-02 | Spinning preparation machine with microwave sensors |
| CN201210235312.1A Expired - Fee Related CN103147191B (en) | 2002-04-04 | 2003-04-02 | With the spinning preparation machine of microwave remote sensor |
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| CN2010101563532A Expired - Fee Related CN101876105B (en) | 2002-04-04 | 2003-04-02 | Spinning preparation machine with microwave sensors |
| CN201210235312.1A Expired - Fee Related CN103147191B (en) | 2002-04-04 | 2003-04-02 | With the spinning preparation machine of microwave remote sensor |
Country Status (6)
| Country | Link |
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| US (1) | US6983516B2 (en) |
| EP (2) | EP1501966B1 (en) |
| CN (3) | CN1646743B (en) |
| AU (1) | AU2003216914A1 (en) |
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-
2002
- 2002-04-04 DE DE10214955.0A patent/DE10214955B9/en not_active Expired - Fee Related
-
2003
- 2003-04-02 CN CN038077280A patent/CN1646743B/en not_active Expired - Fee Related
- 2003-04-02 EP EP03712127.4A patent/EP1501966B1/en not_active Expired - Lifetime
- 2003-04-02 AU AU2003216914A patent/AU2003216914A1/en not_active Abandoned
- 2003-04-02 EP EP11170772A patent/EP2390391B1/en not_active Expired - Lifetime
- 2003-04-02 CN CN2010101563532A patent/CN101876105B/en not_active Expired - Fee Related
- 2003-04-02 CN CN201210235312.1A patent/CN103147191B/en not_active Expired - Fee Related
- 2003-04-02 WO PCT/EP2003/003442 patent/WO2003085179A2/en not_active Application Discontinuation
- 2003-04-03 US US10/406,576 patent/US6983516B2/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101967704A (en) * | 2010-11-03 | 2011-02-09 | 北京经纬纺机新技术有限公司 | Drawing frame leveling control method and servo system |
| CN101967704B (en) * | 2010-11-03 | 2012-08-08 | 北京经纬纺机新技术有限公司 | Drawing frame leveling control method and servo system |
| CN104937368A (en) * | 2013-01-23 | 2015-09-23 | 立达英格尔施塔特有限公司 | Microwave resonator for textile machine |
| CN104937368B (en) * | 2013-01-23 | 2019-09-27 | 立达英格尔施塔特有限公司 | Microwave resonator for weaving loom |
| CN111793865A (en) * | 2019-04-03 | 2020-10-20 | 欧瑞康纺织有限及两合公司 | Method and device for guiding and wetting crimped tow |
| CN111793865B (en) * | 2019-04-03 | 2024-01-05 | 欧瑞康纺织有限及两合公司 | Method and device for guiding and wetting crimped tow |
| CN110791842A (en) * | 2019-11-07 | 2020-02-14 | 张升飞 | Drawing optimizing device for spinning |
| CN113201817A (en) * | 2020-06-03 | 2021-08-03 | 邱丽遐 | Drawing frame with microwave sensor and independent drive |
| CN115787154A (en) * | 2022-12-21 | 2023-03-14 | 沈阳宏大华明纺织机械有限公司 | Autoleveller drawing frame, control method and related equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10214955B9 (en) | 2017-06-29 |
| EP2390391A2 (en) | 2011-11-30 |
| EP2390391A3 (en) | 2012-03-28 |
| US20040194257A1 (en) | 2004-10-07 |
| WO2003085179A2 (en) | 2003-10-16 |
| EP1501966B1 (en) | 2014-05-07 |
| AU2003216914A8 (en) | 2003-10-20 |
| DE10214955A1 (en) | 2003-10-16 |
| US6983516B2 (en) | 2006-01-10 |
| EP1501966A2 (en) | 2005-02-02 |
| CN1646743B (en) | 2010-07-21 |
| DE10214955B4 (en) | 2017-04-20 |
| CN103147191B (en) | 2016-02-17 |
| AU2003216914A1 (en) | 2003-10-20 |
| EP2390391B1 (en) | 2012-12-19 |
| CN103147191A (en) | 2013-06-12 |
| WO2003085179A3 (en) | 2004-04-01 |
| WO2003085179A8 (en) | 2004-11-18 |
| CN101876105B (en) | 2012-12-05 |
| CN101876105A (en) | 2010-11-03 |
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